you could create a simple list of strings like "googleId:2182031", "facebookId:2913812" and query it on a single field depending on your needs
On Wed, Feb 22, 2012 at 10:58 PM, Kesava Neeli <nke...@gmail.com> wrote: > our user account has many fields like userName, email, number, alternate > email list, ids from social networks like facebook, google, twitter, > linkedin etc. The primary key is one of those fields. In "realtime", we > should be able to find if a user exists with any the fields and not just > email. One thing I could do it td create a datastore index for each of the > field that I want to lookup and then perform the query when needed. Having > many indexes means more number of low level datastore write calls for each > store hit. And the sql query won't be fast if there are are too many > records. > > Anyway, thanks for your comments. I will look to see if I can design it > differently. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-appengine-java/-/1u39C_iNYtIJ. > > To post to this group, send email to > google-appengine-java@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > -- Bruno Fuster -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
